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Gerald H. McDonald

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  • Blaine, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Potentiometer retention mechanism and method of mounting
    • Patent number 5,157,371
    • Issue date Oct 20, 1992
    • Resistance Technology, Inc.
    • Arman E. Sundquist
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Potentiometer mounting mechanism
    • Patent number 5,014,037
    • Issue date May 7, 1991
    • Gerald H. McDonald
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Method of mounting a potentiometer
    • Patent number 4,835,833
    • Issue date Jun 6, 1989
    • Resistance Technology, Inc.
    • Gerald H. McDonald
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Trimmer control mounted in potentiometer knob
    • Patent number 4,649,366
    • Issue date Mar 10, 1987
    • Resistance Technology, Inc.
    • Gerald H. McDonald
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE
  • Information Patent Grant

    Potentiometer
    • Patent number 4,329,676
    • Issue date May 11, 1982
    • Resistance Technology, Inc.
    • Gerald H. McDonald
    • H04 - ELECTRIC COMMUNICATION TECHNIQUE